/* Landing Punto de Partida · Longevia Medical (v1.93.0). Misma paleta y tipografía del sitio principal. */
:root {
  --bone: #f5f2ec; --sand: #ebe6dc; --linen: #d3caba; --dune: #a99e8c;
  --cacao: #4a443a; --ink: #25231f; --white: #fffdf9; --verde: #2f6b4f; --rojo: #9b3b2f;
  --serif: "Cormorant Garamond", Georgia, serif;
  --sans: "Montserrat", system-ui, -apple-system, "Segoe UI", sans-serif;
  --radio: 14px;
}
* { box-sizing: border-box; }
html { scroll-behavior: smooth; -webkit-text-size-adjust: 100%; }
body { margin: 0; background: var(--bone); color: var(--ink); font-family: var(--sans); font-weight: 400; font-size: 16px; line-height: 1.6; }
img, video, iframe { max-width: 100%; display: block; }
a { color: inherit; }
button { font: inherit; }
.envoltura { width: min(1120px, 100% - 32px); margin-inline: auto; }
.oculto { display: none !important; }
.sr { position: absolute; width: 1px; height: 1px; overflow: hidden; clip: rect(0 0 0 0); white-space: nowrap; }

/* Encabezado */
.barra { position: sticky; top: 0; z-index: 20; background: rgba(245, 242, 236, .92); backdrop-filter: blur(8px); border-bottom: 1px solid var(--sand); }
.barra .envoltura { display: flex; align-items: center; justify-content: space-between; height: 64px; }
.barra img { height: 26px; width: auto; }
.barra a.mini { font-size: 12px; letter-spacing: .14em; text-transform: uppercase; text-decoration: none; padding: 10px 16px; border: 1px solid var(--ink); border-radius: 999px; font-weight: 500; }
.barra a.mini:hover { background: var(--ink); color: var(--bone); }

/* Portada */
.portada { padding: 56px 0 64px; }
.portada .envoltura { display: grid; grid-template-columns: 1.1fr .9fr; gap: 48px; align-items: center; }
.sello { display: inline-flex; align-items: center; gap: 8px; font-size: 11px; letter-spacing: .2em; text-transform: uppercase; font-weight: 600; color: var(--cacao); background: var(--sand); padding: 8px 14px; border-radius: 999px; }
.sello::before { content: ""; width: 7px; height: 7px; border-radius: 50%; background: var(--verde); }
h1 { font-family: var(--serif); font-weight: 500; font-size: clamp(44px, 7vw, 76px); line-height: 1.02; margin: 22px 0 18px; letter-spacing: -.01em; }
.sub { font-size: 17px; color: var(--cacao); max-width: 34em; margin: 0; font-weight: 300; }
.precio { display: flex; align-items: baseline; gap: 14px; margin: 30px 0 6px; flex-wrap: wrap; }
.precio .ahora { font-family: var(--serif); font-size: 56px; font-weight: 600; line-height: 1; }
.precio .ahora small { font-family: var(--sans); font-size: 13px; font-weight: 500; letter-spacing: .08em; margin-left: 4px; color: var(--cacao); }
.precio .antes { color: var(--dune); text-decoration: line-through; font-size: 18px; }
.nota-precio { font-size: 13px; color: var(--cacao); margin: 0 0 28px; }
.boton { display: inline-flex; align-items: center; justify-content: center; gap: 10px; background: var(--ink); color: var(--bone); border: 0; border-radius: 999px; padding: 17px 30px; font-size: 13px; letter-spacing: .14em; text-transform: uppercase; font-weight: 600; text-decoration: none; cursor: pointer; transition: transform .15s, background .15s; min-height: 52px; }
.boton:hover { background: var(--cacao); }
.boton:active { transform: scale(.98); }
.boton[disabled] { background: var(--linen); color: var(--white); cursor: not-allowed; }
.boton.claro { background: transparent; color: var(--ink); border: 1px solid var(--ink); }
.boton.whats { background: #1f7a4d; }
.boton.whats:hover { background: #17633e; }
.portada .foto { position: relative; border-radius: 22px; overflow: hidden; aspect-ratio: 4 / 5; background: var(--sand); }
.portada .foto img { width: 100%; height: 100%; object-fit: cover; }
.portada .foto .etiqueta { position: absolute; left: 16px; bottom: 16px; background: rgba(37, 35, 31, .78); color: var(--bone); font-size: 12px; padding: 8px 14px; border-radius: 999px; letter-spacing: .06em; }

/* Secciones */
section.bloque { padding: 72px 0; }
section.bloque.arena { background: var(--sand); }
section.bloque.tinta { background: var(--ink); color: var(--bone); }
.titulo-sec { font-family: var(--serif); font-weight: 500; font-size: clamp(32px, 4.6vw, 48px); line-height: 1.08; margin: 0 0 14px; }
.ante { font-size: 11px; letter-spacing: .22em; text-transform: uppercase; color: var(--dune); font-weight: 600; margin: 0 0 12px; }
.tinta .ante { color: var(--linen); }
.intro { color: var(--cacao); max-width: 40em; margin: 0 0 36px; font-weight: 300; }
.tinta .intro { color: var(--linen); }

.incluye { list-style: none; margin: 0; padding: 0; display: grid; grid-template-columns: repeat(3, 1fr); gap: 18px; }
.incluye li { background: var(--white); border: 1px solid var(--sand); border-radius: var(--radio); padding: 26px 22px; position: relative; }
.incluye li .num { font-family: var(--serif); font-size: 40px; line-height: 1; color: var(--dune); display: block; margin-bottom: 14px; }

.video { border-radius: 20px; overflow: hidden; background: #000; aspect-ratio: 16 / 9; }
.video.vertical { aspect-ratio: 9 / 16; max-width: 380px; margin-inline: auto; }
.video iframe, .video video { width: 100%; height: 100%; border: 0; object-fit: cover; }

.galeria { display: grid; grid-template-columns: repeat(3, 1fr); gap: 14px; }
.galeria img { width: 100%; aspect-ratio: 1; object-fit: cover; border-radius: var(--radio); background: var(--linen); }

/* Agenda */
.agenda { background: var(--white); border-radius: 22px; padding: 30px; border: 1px solid var(--sand); }
.pasos { display: flex; gap: 10px; margin-bottom: 22px; font-size: 12px; letter-spacing: .1em; text-transform: uppercase; color: var(--dune); font-weight: 600; flex-wrap: wrap; }
.pasos span.on { color: var(--ink); }
.dias { display: flex; gap: 10px; overflow-x: auto; padding-bottom: 6px; scrollbar-width: thin; }
.dia { flex: 0 0 auto; min-width: 86px; border: 1px solid var(--linen); background: var(--bone); border-radius: 12px; padding: 12px 10px; text-align: center; cursor: pointer; color: var(--ink); }
.dia b { display: block; font-size: 15px; font-weight: 600; }
.dia small { font-size: 11px; color: var(--cacao); }
.dia[aria-pressed="true"] { background: var(--ink); color: var(--bone); border-color: var(--ink); }
.dia[aria-pressed="true"] small { color: var(--linen); }
.dia[disabled] { opacity: .45; cursor: not-allowed; text-decoration: line-through; }
.horas { display: grid; grid-template-columns: repeat(auto-fill, minmax(110px, 1fr)); gap: 10px; margin-top: 20px; }
.hora { border: 1px solid var(--linen); background: var(--white); border-radius: 10px; padding: 13px 8px; text-align: center; cursor: pointer; font-weight: 500; color: var(--ink); min-height: 48px; }
.hora[aria-pressed="true"] { background: var(--verde); color: #fff; border-color: var(--verde); }
.hora[disabled] { opacity: .4; cursor: not-allowed; text-decoration: line-through; }
.elegido { margin: 22px 0 0; padding: 14px 16px; background: var(--bone); border-radius: 12px; font-size: 15px; }
.elegido b { font-weight: 600; }
.formulario { display: grid; grid-template-columns: 1fr 1fr; gap: 14px; margin-top: 22px; }
.formulario .ancho { grid-column: 1 / -1; }
.campo label { display: block; font-size: 12px; font-weight: 600; letter-spacing: .06em; margin-bottom: 6px; }
.campo input { width: 100%; font: inherit; padding: 13px 14px; border-radius: 10px; border: 1px solid var(--linen); background: var(--bone); color: var(--ink); min-height: 48px; }
.campo input:focus { outline: 2px solid var(--ink); outline-offset: 1px; }
.casilla { display: flex; gap: 10px; align-items: flex-start; font-size: 13px; color: var(--cacao); }
.casilla input { margin-top: 3px; width: 18px; height: 18px; accent-color: var(--ink); flex: 0 0 auto; }
.trampa { position: absolute; left: -9999px; }
.mensaje { margin-top: 14px; font-size: 14px; padding: 12px 14px; border-radius: 10px; }
.mensaje.error { background: #f6e3df; color: var(--rojo); }
.mensaje.info { background: var(--sand); color: var(--cacao); }
.cargando { color: var(--cacao); font-size: 14px; }
.seguro { font-size: 12px; color: var(--cacao); margin-top: 12px; display: flex; gap: 8px; align-items: center; }

/* Preguntas */
.faq details { border-bottom: 1px solid var(--linen); padding: 18px 0; }
.faq summary { cursor: pointer; font-family: var(--serif); font-size: 22px; font-weight: 500; list-style: none; display: flex; justify-content: space-between; gap: 16px; }
.faq summary::-webkit-details-marker { display: none; }
.faq summary::after { content: "+"; font-family: var(--sans); font-weight: 300; font-size: 24px; line-height: 1; }
.faq details[open] summary::after { content: "–"; }
.faq p { margin: 12px 0 0; color: var(--cacao); }

/* Pie */
footer { background: var(--ink); color: var(--linen); padding: 46px 0 110px; font-size: 13px; }
footer .envoltura { display: flex; justify-content: space-between; gap: 24px; flex-wrap: wrap; align-items: flex-end; }
footer img { height: 28px; width: auto; margin-bottom: 14px; }
footer a { color: var(--bone); }

/* Botón flotante de WhatsApp */
.flotante { position: fixed; right: 18px; bottom: 18px; z-index: 30; width: 58px; height: 58px; border-radius: 50%; background: #25d366; color: #fff; display: grid; place-items: center; box-shadow: 0 8px 24px rgba(0, 0, 0, .22); text-decoration: none; }
.flotante svg { width: 30px; height: 30px; }
.barra-movil { display: none; }

/* Gracias */
.gracias { min-height: calc(100vh - 64px); display: grid; place-items: center; padding: 48px 0; }
.tarjeta { background: var(--white); border: 1px solid var(--sand); border-radius: 22px; padding: 40px 34px; max-width: 620px; width: 100%; }
.tarjeta h1 { font-size: clamp(36px, 6vw, 54px); margin-top: 8px; }
.tarjeta .cita { font-family: var(--serif); font-size: 28px; margin: 6px 0 18px; }
.lista-prep { padding-left: 20px; color: var(--cacao); }
.lista-prep li { margin: 6px 0; }

@media (max-width: 860px) {
  .portada { padding: 28px 0 40px; }
  .portada .envoltura { grid-template-columns: 1fr; gap: 28px; }
  .portada .foto { aspect-ratio: 4 / 3; order: -1; }
  .incluye, .galeria { grid-template-columns: 1fr; }
  .galeria { grid-template-columns: repeat(3, 72%); overflow-x: auto; scroll-snap-type: x mandatory; }
  .galeria img { scroll-snap-align: start; aspect-ratio: 4 / 5; }
  section.bloque { padding: 52px 0; }
  .agenda { padding: 20px 16px; }
  .formulario { grid-template-columns: 1fr; }
  .precio .ahora { font-size: 48px; }
  .barra a.mini { display: none; }
  .flotante { bottom: 84px; }
  .barra-movil { display: flex; position: fixed; left: 0; right: 0; bottom: 0; z-index: 25; background: var(--white); border-top: 1px solid var(--sand); padding: 10px 16px calc(10px + env(safe-area-inset-bottom)); gap: 12px; align-items: center; justify-content: space-between; }
  .barra-movil .p { font-family: var(--serif); font-size: 26px; font-weight: 600; line-height: 1; }
  .barra-movil .p small { display: block; font-family: var(--sans); font-size: 11px; color: var(--dune); text-decoration: line-through; font-weight: 400; }
  .barra-movil .boton { padding: 14px 20px; flex: 1; max-width: 240px; }
}